We have partnered with Green Mechanical to ensure you have not only someone to install your equipment but someone to service it!

Peter Groenewold, Founder and Owner of Green Mechanical holds a Bachelors Degree in Mechanical Engineering and is in the process of obtaining his Masters in Engineering Management while holding high honors. Peter is proficient with AutoCAD, SolidWorks & HVAC PRO to name a few. He has a wealth of knowledge when it comes to owning, running, marketing and growing a business in this industy as well as hiring and retaining the right employees to work with him and his team. PLUS, Peter has several Patents out there including:

  • Inventor of U.S. Patent 5,682,754 (Method for controlling natatorium temperatures)

  • Co-inventor and author of U.S. Patent 6,666,040 (Efficient water source heat pump with gas reheat). The resulting product, the Desert Aire Q-Pump.

  • Co-inventor of U.S. Patent 6,055,818 (Method for refrigerant-based leaving air temperature)

We can install it & service it!

Whether you need a new heating or air conditioning system installed, are looking for a professional HVAC service provider to perform repairs or do both, we’re here to help!

Services and equipment include but not limited to:

  • Boilers

  • Heat Exchanger

  • Chillers

  • Cooling Towers

  • Evaporative Coolers

  • Pump

  • Air Handling Units

  • Roof Top Units

  • Condensing Units

  • Humidifiers

  • Electrostatic Filters

  • Variable Air Volume (VAV)

  • Unitary Heat Pump

  • Single/Multi Zone Rooftop

  • Dual Duct

  • Dust and Fume Collection

  • Fan Coil

  • Induction

  • Chilled and Hot Water

  • Direct Expansion Cooling

  • Energy Recovery

  • Ducted Supply (Return and Exhaust)​


Tel: 920-426-3005 | Fax: 920-426-2927


2125 W. 20th Ave.Oshkosh, WI 54904

United States


Mon - Thu: 7am - 3:30pm

Fri: 7am - noon CST

© 2020 Best Mechanical Business  - Website design by Assist-A-Company